Space Park

Carolyn Cole / Los Angeles Times

TRW engineers prepare to install a test battery module in the Aura satellite. The test battery is used to provide power to the spacecraft during integration and test. The flight battery is installed before the satellite is shipped to the launch site.

TRW engineers prepare to install a test battery module in the Aura satellite. The test battery is used to provide power to the spacecraft during integration and test. The flight battery is installed before the satellite is shipped to the launch site. (Carolyn Cole / Los Angeles Times)

TRW engineers prepare to install a test battery module in the Aura satellite. The test battery is used to provide power to the spacecraft during integration and test. The flight battery is installed before the satellite is shipped to the launch site.